klammath weed

Definitions of klammath weed

n yellow-flowered perennial common in fields and waste places but a weed in rangelands

Hypericum perforatum
Type of:
St John's wort
any of numerous plants of the genus Hypericum having yellow flowers and transparently dotted leaves; traditionally gathered on St John's eve to ward off evil

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.